IAC is brand new, changed less than 4 months ago. It solved a lot of
other problems, but this one is about two weeks old. It idles just fine
otherwise, just occasionally skips a beat. The tach doesn't move at all,
stays steady ~800RPMs
Jason
George Fourchy wrote:
> On Tue, 20 Jun 2006 20:44:49 -0400, Jason Hartberger wrote:
>
>
>> My wife's car has developed an occasional stumble at idle, but only with
>> the AC on.
>>
>
> The first thing that comes to mind is the IAB. How old is it? Have you got
>one you
> can swap onto the TB to see if it will work better?
>
> The IAB's main job is to give air for a stronger idle when A/C or heavy
>alternater
> type loads hit the engine when it is idling, and they do wear over time.
>
> George
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